Architecture, Planning & Interior Design Firm Hotels, Resorts, Multifamily, Condo Design Fifty Years of Award Winning Architecture & Interior Design Over the course of the past fifty years, Adache Group Architects has become one of the world's leading design consultants for the hospitality, leisure, and multifamily housing industries. Adache Group offers integrated design services comprising of Strategy, Programming, Planning, Architecture, and Interior Design. The Adache firm has a global reputation as a leading international design firm, having clients and projects in dozens of states, in over forty-five countries and on five continents.